package com.song.mall.order.web;

import com.song.mall.order.service.OrderService;
import com.song.mall.order.vo.OrderConfirmVo;
import com.song.mall.order.vo.OrderSubmitVo;
import com.song.mall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @author 宋超
 * HP - the login name of the current user.
 * 2021/10/10 - the current system date.
 * 10:00 - the current system time.
 */
@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {

        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        //展示订单确认的数据
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
        //下单:去创建订单，验令牌，验价格，锁库存...
        System.out.println("提交的数据..."+vo);
        //下单失败回到订单确认页重新确认订单信息
        if (responseVo.getCode()==0){
            //下单成功来到支付选择页
            model.addAttribute("submitOrderResp",responseVo);
            return "pay";
        }else{
            String msg ="下单失败;";
            switch (responseVo.getCode()){
                case 1: msg+= "订单信息过期，请刷新再次提交"; break;
                case 2: msg+= "订单商品价格发生变化，请确认后再次提交"; break;
                case 3: msg+= "库存锁定失败，商品库存不足";break;
            }
            //如果下单失败就可以回到下单确认页，让用户重新确认下订单信息
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.mall.com/toTrade";
        }
    }
}
